Revised Total Coliform Rule (RTCR) violations in Oklahoma
514 active public water systems in Oklahoma had a Revised Total Coliform Rule (RTCR) violation in the past three years, 73 of them in the latest quarter of EPA's data. What Revised Total Coliform Rule (RTCR) is and why it matters.
Systems with a Revised Total Coliform Rule (RTCR) violation
Latest quarter first, then largest first| System | Serves | Status | Rules violated, 3 yr | Unresolved |
|---|---|---|---|---|
|
Slick Creek County |
148 | 3 | 0 | |
|
Wynona School Osage County |
140 | 4 | 1 | |
|
Stonebrook Utility Company Seminole County |
136 | 3 | 1 | |
|
Fidlers Bend Adair County |
135 | 2 | 0 | |
|
Golden Oaks Home Owners Assn Carter County |
135 | 8 | 4 | |
|
Kiowa Rural Water District #1 Kiowa County |
135 | 2 | 0 | |
|
Middleberg School Grady County |
135 | 2 | 0 | |
|
Gypsy School Creek County |
132 | 5 | 2 | |
|
Atoka Co. Rwd #1 (wardville) Atoka County |
125 | 5 | 1 | |
|
Hilltop Baptist Church Cleveland County |
125 | 1 | 0 | |
|
Roman Nose State Park Blaine County |
124 | 3 | 0 | |
|
Greenfield Pwa Blaine County |
123 | 5 | 1 | |
|
Skyline MHP Oklahoma County |
120 | 6 | 1 | |
|
Spinnaker Point Estates Delaware County |
120 | 2 | 0 | |
|
Tri-County Electric Cooperative Texas County |
120 | 3 | 0 | |
|
Willow Greer County |
114 | 8 | 1 | |
|
Manchester Grant County |
104 | 6 | 2 | |
|
Chickasaw N.r.a Buckhorn & the Point Murray County |
100 | 1 | 0 | |
|
Coves at Bird Island Delaware County |
100 | 5 | 0 | |
|
Croton Creek Ranch Roger Mills County |
100 | 1 | 0 | |
|
Felt School Cimarron County |
100 | 5 | 0 | |
|
Grant County Rwd #1 Grant County |
100 | 6 | 2 | |
|
Harbors View Marina Delaware County |
100 | 1 | 0 | |
|
Hazel Dell Baptist Church Grady County |
100 | 2 | 1 | |
|
Holliday Outt MHP Oklahoma County |
100 | 5 | 1 | |
|
Huttons Corner MHP Blaine County |
100 | 2 | 0 | |
|
Newalla Church of Christ Oklahoma County |
100 | 2 | 1 | |
|
Oak Hills Industrial Development Logan County |
100 | 2 | 1 | |
|
Pecan Valley Junction Cleveland County |
100 | 1 | 0 | |
|
Pine Country Living MHP Pottawatomie County |
100 | 8 | 0 | |
|
Pops Restaurant Oklahoma County |
100 | 1 | 0 | |
|
Red Rock Canyon Adventure Park Caddo County |
100 | 2 | 0 | |
|
Rock Creek Youth Camp Cleveland County |
100 | 2 | 1 | |
|
White Rock School Lincoln County |
100 | 4 | 0 | |
|
Wolf Warehouse/pqd 2 Creek County |
100 | 2 | 0 | |
|
Peppers Ranch Logan County |
99 | 6 | 1 | |
|
Sooner Utilities-Crutcho Oklahoma County |
93 | 6 | 2 | |
|
Pettit Mountain Water Cherokee County |
90 | 7 | 1 | |
|
Beaver CO Rwd #2 (gate) Beaver County |
87 | 7 | 4 | |
|
Freedom Farms Cleveland County |
85 | 7 | 3 | |
|
Grace Community Southern Baptist Church Cleveland County |
85 | 1 | 0 | |
|
Loyal Kingfisher County |
81 | 5 | 0 | |
|
Countryside Baptist Church Oklahoma County |
80 | 1 | 0 | |
|
Old #9 Cleveland County |
80 | 2 | 0 | |
|
Mountain Village Development Comanche County |
77 | 7 | 1 | |
|
Chisholm Creek Housing Addition Garfield County |
75 | 4 | 0 | |
|
Insurance Auto Auctions Oklahoma County |
75 | 2 | 0 | |
|
Noble Estates MHP Cleveland County |
75 | 4 | 2 | |
|
St. Crispins Youth Camp Seminole County |
75 | 1 | 0 | |
|
Tri City Dental Grady County |
75 | 1 | 0 |
About this data
A system is counted once if any of its violations in the past three years involved Revised Total Coliform Rule (RTCR), including monitoring and reporting lapses. Rules violated and status in the table are for the whole system, not Revised Total Coliform Rule (RTCR) alone.
Source: the U.S. EPA's Enforcement and Compliance History Online system (ECHO), which publishes the federal Safe Drinking Water Information System. EPA's terms and values are shown as published. The Oklahoma records are from EPA's data refresh of Oct 7, 2026; EPA refreshes this data quarterly, and states report to EPA with a lag of three to six months, so the newest violations may not appear yet.